A civil lawsuit filed Thursday by the family of Jeremy Mardis against Marksville, Avoyelles Parish and multiple individuals seeks damages for what it calls “a barbaric and excessive use of deadly force” during which the 6-year-old boy “suffered immensely.” The federal lawsuit was filed in Alexandria by attorneys for Christopher Few, Jeremy’s father who was seriously wounded in the Nov. 3, 2015, shooting; and mother Catherine Mardis and Few’s sister, Candace Few, who owned the Kia Sport her brother was …